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  4. 426245
  5. Owner's Manual

Nothern Industrial Tools 426245 Owner's Manual

Manual is about: Universal Cutter /Grinder

Summary of 426245

  • Page 1

    Universal cutter /grinder owner’s manual warning: read carefully and understand all instructions before operating. Failure to follow the safety rules and other basic safety precautions may result in serious personal injury. Item# 426245.

  • Page 2

    Contents · nomenclature of controls------------------------------------------------------------------------------------------------------------------------------0 · grinding spindle-----------------------------------------------------------------------------------------------------------------------...

  • Page 3

    Servicing the index head bracket general after a major period of use it will be necessary to dismantle the index head bracket and to clean and lubricate the collect sleeve bearing, the index head slide, and the swivel arm. Collets sleeve bearing to remove the collect sleeve proceed as follows; remov...

  • Page 4

    Above are illustrated the seven basic cutter profiles and cross sectional views of the profiles they will produce material to be cut tool angle recommended cutting speeds for high speed steel single lip cutter roughing cut finish cut α β γ s.F.P.M m/min s.F.P.M m/min 25° 15° 5°195 60 260 80 cast ste...

  • Page 5

    Avoid inflammation. Tool angles recommended cutting speeds for single-lip cutters centering the cutter lip by grinding cylindrical single-lip milling cutters are supplied by the manufacturer with the lip preformed by rough milling (see fig. 1). As a result, the cutter lip will first have to be accur...

  • Page 6

    5. Tighten clamping lever t4;release clamping lever t7;shift work fixture on tubular guide to bring cutter into light contact with grinding wheel, tighten clamping lever t7;release clamping lever t4. Circular grinding 6. Draw index pin p out of the slot; grind desired diameter by rotating spring col...

  • Page 7

    Diameter, the amount of off-set “a” is: a = d / 2 – r example: given r=.06” (1.5mm); d=.30” (8mm) a=.15” (4mm)-.06” (1.5mm) =.09” (2.5mm) b. No.3 profile: the venire scale c1 of the cross slide must be set zero (see fig. 3). 2. Rotate fine adjustment screw h to bring the side cutting edge of the cut...

  • Page 8

    Grinding tapered cutters- circular grinding of side and end cutting edges tapered cutters can be ground to size in the machine without the use of any measuring instrument, except for the scales provided on the machine. For circular grinding operations on profiled cutters follow this procedure: setup...

  • Page 9

    The back rake angles of the side and end cutting edges may be ground immediately after circular grinding the desired cutter profile; or in cases where only the taper angle (not, however, the small diameter of the tapered portion) is of importance, grinding may be performed in an independent operatio...

  • Page 10

    Grinding the back rake angle 3. While continuously rotating the collets bearing through 180 (back and forth between the stops), advance the cutter towards the grinding wheel by means of fine adjustment screw h. This will produce the desired back rake angle on both side and the end cutting edges in a...

  • Page 11

    Slide of the index head bracket, introducing retaining pin 2 into the bore of the off-side setting gauge. Adjustable stop 5 has a flat furnace on one side for holding twist drills of 3 to 18mm (/18”to11/16”) diameter. The drill is held by hand against stop 5 and the swivel-mounted v-guide 4 during g...

  • Page 12

    Insert the end mill into the u2 collets and faster it, so that the end mill will not turn. (as drawing ll) set the center of the wheel head at the height of the work head spindle center and locate the end mill top leaving about 5mm form grinding wheel (as drawing lll) swiping the end mill attachment...

  • Page 13

    Change the original work head into lathe tool attachment work head. (as drawing l) insert the lather tool bit into the lathe tool attachment work head and fasten it, so that the lathe tool bit will not move. Set the center of lathe grinding attachment at the height of the grinding wheel of the spind...

  • Page 14

    Turning seat attachment index no. Parts name parts no. Index no. Parts name parts no. 1 leader level 14 tighten screw a4009 2 fixed screw 15 front-back degree ring a027 3 front-back micro adjust screw a4016 16 spring 4 adjust fixed handle a4012 17 reading fixed plate 5 handle a4035 18 collect seat a...

  • Page 15

    Leather tools attachment index no parts name parts no remarks index no parts name parts no remarks 1 loath seat a3001 6 bolt m6×20 2 fixed board a4020 7 fixed board a4021 m4×12 3 bolt 8 bolt m4×8 4 bolt m6×12 9 bolt m4×8 5 13 bolt a4031 m6×20 end mills attachment index no parts name parts no remarks...

  • Page 16

    Northern tool + equipment co., 2800 southcross drive west p.O. Box 1499 burnsville, mn 55337-0499 made in china.